Re: USB 3.0 is broken on Odroid Xu4 on latest kernel

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Hi Markus Reichl/ Felipe/ Krzysztof / Jochen,

On 21 July 2017 at 14:56, Markus Reichl <m.reichl@xxxxxxxxxxxxx> wrote:
> Hi Anand,
>
> the issue below is fixed with
> 4.13.0-rc1-next-20170721.
>
> Gruß,
> --
> Markus Reichl
>
> Am 19.07.2017 um 16:58 schrieb Anand Moon:
>> Hi Krzysztof,
>>
>> Today I tried to compile the latest kernel for Odroid xu4.
>> using exynos_defconfig I build and loaded the kernel.
>> but to my surprise usb 3.0 device and missing.
>>
>> odroid login: root
>> Password:
>> Last login: Wed Jul 19 14:01:44 UTC 2017 on ttySAC2
>> Welcome to Ubuntu 16.04.2 LTS (GNU/Linux 4.13.0-rc1-xu4ml-27846-g74cbd96 armv7l)
>>
>>  * Documentation:  https://help.ubuntu.com
>>  * Management:     https://landscape.canonical.com
>>  * Support:        https://ubuntu.com/advantage
>> root@odroid:~# lsusb
>> Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>> Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 002 Device 002: ID 0603:0002 Novatek Microelectronics Corp.
>> Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> root@odroid:~# lsusb -t
>> /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
>> /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
>> /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
>> /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
>> /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M
>>     |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
>>     |__ Port 1: Dev 2, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
>> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M
>>
>> Full dmesg can be found on blow link.
>> https://pastebin.com/K3xfPCPe
>>
>> The reason for failed is below.
>>
>> [    7.187096] usb usb4-port1: connect-debounce failed
>>
>> I tried to debug this but failed to find the root cause.
>> Nothing is connected to the UBS 3.0 port for the failure to cause.
>>
>> If I load old kernel it seen to work correctly.
>> If you provoid some input I will give this a try.
>>

Thanks for your tips and input.

I was going to 'git bisect' over this weekend.
But I will now check the 4.13.0-rc1-next-20170721
and let you all know if this resolves the issue.

Best Regards
-Anand
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